In a study that followed more than 10,000 Californians for almost 30 years, researchers found that the fatter people were, the greater their risk for Alzheimer's disease or other forms of dementia. The results were published online Friday by the British Medical Journal.
"This adds another major reason for concern about the obesity problem and it now unfolds yet another area where ... we have to say, 'for God's sake, we better get cracking,'" said Philip James, an obesity expert who was not connected with the research and who heads the International Obesity Task Force.